1220925

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 2055424

約数和(自身を除く): 834499

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 223, 365, 669, 1095, 1115, 1825, 3345, 5475, 5575, 16279, 16725, 48837, 81395, 244185, 406975, 1220925]

約数ペア:

[(1, 1220925), (3, 406975), (5, 244185), (15, 81395), (25, 48837), (73, 16725), (75, 16279), (219, 5575), (223, 5475), (365, 3345), (669, 1825), (1095, 1115)]